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https://github.com/RGBCube/serenity
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7c0540a229
This has KString, KBuffer, DoubleBuffer, KBufferBuilder, IOWindow, UserOrKernelBuffer and ScopedCritical classes being moved to the Kernel/Library subdirectory. Also, move the panic and assertions handling code to that directory.
42 lines
1 KiB
C++
42 lines
1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Assertions.h>
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#include <Kernel/Arch/CPU.h>
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#include <Kernel/Library/Panic.h>
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#include <Kernel/Tasks/Process.h>
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using namespace Kernel;
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void __assertion_failed(char const* msg, char const* file, unsigned line, char const* func)
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{
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asm volatile("cli");
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critical_dmesgln("ASSERTION FAILED: {}", msg);
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critical_dmesgln("{}:{} in {}", file, line, func);
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abort();
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}
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[[noreturn]] void abort()
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{
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// Avoid lock ranking checks on crashing paths, just try to get some debugging messages out.
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auto thread = Thread::current();
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if (thread)
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thread->set_crashing();
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// Switch back to the current process's page tables if there are any.
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// Otherwise stack walking will be a disaster.
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if (Process::has_current())
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Memory::MemoryManager::enter_process_address_space(Process::current());
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PANIC("Aborted");
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}
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[[noreturn]] void _abort()
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{
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asm volatile("ud2");
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__builtin_unreachable();
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}
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